Abstract
A modification of Pluvinage's method which allows for the use of a great class of Coulomb-poleseliminating correlation factors is proposed. This factors are better suited for the description of electroncorrelation effects by means of perturbation procedures than the ones used hitherto.
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Jankowski, K. A perturbation treatment for two-electron atomic systems with correlation in zero order. Theoret. Chim. Acta 13, 165–170 (1969). https://doi.org/10.1007/BF00533442
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DOI: https://doi.org/10.1007/BF00533442